Medically reviewed by Johnstone M. Kim, MD Key Takeaways The pupil controls how much light enters the eye, allowing for clear ...

Close up of one annoyed red blood eye of mature adult women affected by conjunctivitis or after flu, cold or allergy Recognize the signs and symptoms of red eye that differentiate benign from ...

Eye disorders are medical conditions that affect one or both eyes. These conditions range from dry eye, styes, and astigmatism to cataracts, glaucoma, and blindness. Many chronic eye conditions are ...

Scientists have constructed a single-cell atlas of the human and porcine eyes. This has allowed them to create a disease map of genes involved in eye disorders across the different cell types, as well ...

Common eye diseases include age-related macular degeneration, amblyopia, cataracts, diabetic retinopathy, dry eye, and glaucoma. Over time, tissue damage in different parts of the eye can lead to ...